Home / 23,160.79-31,962.09-13,598.20

Finding the Fourth Proportional to 23,160.79, 31,962.09 and 13,598.20

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Solution

The fourth proportional to 23,160.79, 31,962.09 and 13,598.20 is: 18,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.79 : 31,962.09 = 13,598.20 : x
  2. Step 2: Convert to fraction form
    23,160.79/31,962.09 = 13,598.20/x
  3. Step 3: Cross multiply
    23,160.79x = 31,962.09 × 13,598.20
  4. Step 4: Simplify right side
    23,160.79x = 434,626,892.24
  5. Step 5: Solve for x
    x = 434,626,892.24/23,160.79
  6. Step 6: Final answer
    x = 18,765.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.